參數(shù)資料
型號: NRF9E5IC
廠商: Electronic Theatre Controls, Inc.
英文描述: 433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC
中文描述: 433/868/915MHz RF收發(fā)器與8051兼容的嵌入式微控制器和4輸入,10位ADC
文件頁數(shù): 76/104頁
文件大小: 1436K
代理商: NRF9E5IC
PRODUCT SPECIFICATION
nRF9E5 Single Chip Transceiver with Embedded Microcontroller and ADC
Main office: Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -Phone +4772898900 - Fax +4772898989
Revision: 1.1
Page 76 of 104
June 2004
Divide by 12
Divide by 4
CPU_CLK
0
1
0
1
P05/T0 (P06/T1)
T0M (T1M)
C/T
TR0 (TR1)
GATE
P0_ALT.3 (P0_ALT.4)
P03/INT0_N (P04/INT1_N)
clk
TF0 (TF1)
INT
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Mode 0
Mode 1
TL0 (TL1)
TH0 (TH1)
To serial port
(timer 1 only)
Figure 18 Timer 0/1 – Modes 0 and 1.
18.8.1.3
Mode 2
Mode 2 operation is the same for Timer 0 and Timer 1. In mode 2, the timer is
configured as an 8-bit counter, with automatic reload of the start value. The LSB register
(TL0 or TL1) is the counter, and the MSB register (TH0 or TH1) stores the reload value.
As illustrated in Figure 19 Timer 0/1 – Mode 2, mode 2 counter control is the same as
for mode 0 and mode 1. However, in mode 2, when TL
n
increments from 0xFF, the
value stored in TH
n
is reloaded into TLn.
Divide by 12
Divide by 4
CPU_CLK
0
1
0
1
P05/T0 (P06/T1)
T0M (T1M)
C/T
TR0 (TR1)
GATE
P0_ALT.3 (P0_ALT.4)
P03/INT0_N (P04/INT1_N)
clk
TF0 (TF1)
INT
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
TL0 (TL1)
TH0 (TH1)
To serial port
(timer 1 only)
r
Figure 19 Timer 0/1 – Mode 2.
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